To configure and enable the WMS Publishing Points ACL Authorization plug-in

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In the console tree, click the server or publishing point for which you want to configure the plug-in.
In the details pane, click the Properties tab.
In Category, click Authorization.
In Plug-in, click WMS Publishing Points ACL Authorization, and then click the Properties button.

Do one of the following:

To	Do this
Set permissions for a new user or group	Click Add. In the Select Users, Computers, or Groups dialog box, click the Object Types button and select the types of objects you are trying to locate. Click the Locations button, and then click the domain that you want to search. Type the name of the user, computer, or group for which you want to set permissions, and then click the Check Names button. Select the appropriate entries from the list. By default, new users and groups are granted read permission and denied write permission.
Remove permissions for a user or group	In the Name list, click the appropriate user or group, and then click Remove.
Change permissions for an existing user or group	In the Name list, click the appropriate user or group. In Permissions, modify the read and write permissions accordingly.

Note Image Notes

A user or group must have been granted both write and create permissions to be able to create a publishing point. Create permissions alone are not sufficient to create a new publishing point.
Properties for this plug-in cannot be configured in Windows Media Services Administrator for the Web.
The authentication and authorization plug-ins work together to grant clients access to streaming media content. If an authorization plug-in is enabled, but no authentication plug-in is enabled, unicast clients cannot access the server.